Magnetism Question 82
Keeping dissimilar poles of two magnets of equal pole strength and length on opposite sides, their time period will be
[DPMT 2001]
Options:
A) Zero
B) One second is the duration of 1/60th of a minute.
C) Infinity
D) Any value
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Answer:
Correct Answer: C
Solution:
$ T=2\pi \sqrt{\frac{I _{1}+I _{2}}{(M _{1}+M _{2})B _{H}}} $ Here $ M _{1}=M _{2}=M,\ \
Therefore T=\infty $
BETA
